Season 4

13 :04x01 - Standup to Sitcom

Jerry Seinfeld, Roseanne Barr and Ray Romano discuss the transition of stand-up comedians into sitcoms.

Guest Stars: Roseanne Barr as Herself | Jerry Seinfeld as Himself | Ray Romano as Himself

14 :04x02 - Doctors and Nurses

From George Clooney on “ER” to Richard Chamberlain on “Dr. Kildare,” television’s long love affair with doctors and nurses shows no signs of letting up. Noah Wyle, Anthony Edwards, Gloria Reuben and Eriq LaSalle open up about the secrets of “ER”; Howie Mandel, Ed Begley Jr. and Christina Pickles revisit “St. Elsewhere.” The episode also features the final interview with Chad Everett of “Medical Center” before his recent death.

Source: PBS

15 :04x03 - Breaking Barriers

The show takes a look at the history of people of color on American television.

16 :04x04 - Acting Funny

A look at what goes on backstage for some of America's top stand-up comedians.